import java.math.BigDecimal;
import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            BigDecimal n = sc.nextBigDecimal();
            BigDecimal r = sc.nextBigDecimal();
            BigDecimal len = new BigDecimal("6.28").multiply(r);
            System.out.println(n.compareTo(len)==1?"No":"Yes");
        }
    }
}